Method and apparatus for allocating resources in wireless communication system

ABSTRACT

The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure discloses a method for operating a user equipment (UE), including: determining a type of numerology of physical resources to receive control signals and data from at least two types of multicarrier parameter numerology; and receiving the control signals and the data on the physical resources according to the determined type of numerology. The present disclosure further discloses a corresponding apparatus. By applying the technical solution disclosed in the present disclosure, it is possible to make full use of physical resources that have different characteristics

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is a 371 National Stage of International ApplicationNo. PCT/KR2017/010467. filed on Sep. 22, 2017, which claims priority toChinese Patent Application No. 201610848621.4, filed Sep. 23, 2016, thedisclosures of which are herein incorporated by reference in theirentirety.

BACKGROUND 1. Field

The present disclosure relates to radio communications and in particularto a method and apparatus for allocating resources.

2. Description of Related Art

To meet the demand for wireless data traffic having increased sincedeployment of 4^(th) generation (4G) communication systems, efforts havebeen made to develop an improved 5^(th) generation (5G) or pre-5Gcommunication system. Therefore, the 5G or pre-5G communication systemis also called a ‘Beyond 4G Network’ or a ‘Post Long Term Evolution(LTE) System’.

The 5G communication system is considered to be implemented in higherfrequency (mmWave) bands, e.g., 60 GHz bands, so as to accomplish higherdata rates. To decrease propagation loss of the radio waves and increasethe transmission distance, the beamforming, massive multiple-inputmultiple-output (MIMO), Full Dimensional MIMO (FD-MIMO), array antenna,an analog beam forming, large scale antenna techniques are discussed in5G communication systems.

In addition, in 5G communication systems, development for system networkimprovement is under way based on advanced small cells, cloud RadioAccess Networks (RANs), ultra-dense networks, device-to-device (D2D)communication, wireless backhaul, moving network, cooperativecommunication, Coordinated Multi-Points (CoMP), reception-endinterference cancellation and the like.

In the 5G system, Hybrid frequency shift keying (FSK) and quadratureamplitude modulation (FQAM) and sliding window superposition coding(SWSC) as an advanced coding modulation (ACM), and filter bank multicarrier (FBMC), non-orthogonal multiple access (NOMA), and sparse codemultiple access (SCMA) as an advanced access technology have beendeveloped.

SUMMARY

An aspect of the present disclosure to provide a method and apparatusfor effectively allocating resources.

The present disclosure provides a method for allocating resources, so asto make full use of physical resource that have differentcharacteristics (e.g., resources that have different OFDM subcarrierwidths).

The present disclosure discloses a method for allocating resources,including:

determining, by a user equipment (UE), a type of numerology of physicalresources to receive control signals and data from at least two types ofmulticarrier parameter numerology; and

receiving, by the UE, the control signals and the data on determinedphysical resources according to the determined type of numerology.

Preferably, before the determining, by a UE, a type of numerology ofphysical resources to receive control signals and data, the methodfurther includes: reporting, by the UE, an ability to process one or atleast two fast Fourier transforms (FFTs) at a time to a base station,and determining a operation mode of the UE according to at least one ofthe following ways A to D:

A, in a case where the UE has only the ability to process one FFT at atime, determining that the operation mode of the UE is receiving controlsignals and data of only one type of numerology at a time; and in a casewhere the UE has the ability to process at least two FFTs at a time,then determining that the operation mode of the UE is receiving controlsignals and data of only one type of numerology at a time, ordetermining that the operation mode of the UE is receiving controlsignals and data of at least two types of numerology at a time;

B, in a case where all UEs have only the ability to process one FFT at atime, determining that the operation mode of the UE is receiving controlsignals and data of only one type of numerology;

C, in a case where all the UEs have only the ability to process one FFTat a time, determining that the operation mode of the UE is receivingcontrol signals and data of different types of numerology at differenttimes; and

D, in a case where the UE has only the ability to process one FFT at atime, then determining that the operation mode of the UE is receivingcontrol signals and data of only one type of numerology at a time, andtransmitting data of the UE that have different latency requirementsthrough time slots of different orthogonal frequency divisionmultiplexing (OFDM) symbols to meet the different latency requirements;and in a case where the UE has the ability to process at least two FFTsat a time, then determining that the operation mode of the UE isreceiving control signals and data of only one type of numerology at atime, and transmitting the data of the UE that have the differentlatency requirements through the time slots of the different OFDMsymbols to meet the different latency requirements, or determining thatthe operation mode of the UE is receiving control signals and data of atleast two types of numerology at a time, and transmitting the data ofthe UE that have the different latency requirements through time slotsof different lengths obtained according to different types ofnumerology; and

determining, by the UE, the type of numerology of the physical resourcesto receive the control signals and the data according to the determinedoperation mode.

Preferably, for the way C, the determining, by a UE, a type ofnumerology of physical resources to receive control signals and dataincludes: determining, by the UE, the type of numerology of the physicalresources to receive the control signals and the data by receivinghigher layer signaling.

Preferably, in a case where the UE determines that there are at leasttwo types of numerology of physical resources to receive the controlsignals and the data within a system bandwidth of one carrier byreceiving the higher layer signaling, and there is a set ofsynchronization signal, broadcast information and system information ineach type of numerology, the receiving, by the UE, the control signalsand the data on determined physical resources according to thedetermined type of numerology includes: receiving, by the UE, thecontrol signals, the data, a synchronization signal, broadcastinformation and system information by using the same numerology.

Preferably, for the way C, the determining, by a UE, a type ofnumerology of physical resources to receive control signals and dataincludes: determining, by the UE, the type of numerology of the physicalresources to receive the control signals and the data by receivinghigher layer signaling.

Preferably, in a case where the UE determines that there are at leasttwo types of numerology of physical resources to receive the controlsignals and the data within a system bandwidth of one carrier byreceiving the higher layer signaling, the receiving, by the UE, thecontrol signals and the data on determined physical resources accordingto the determined type of numerology includes: defining the at least twotypes of numerology determined by receiving the higher layer signalingas a first type of numerology, defining a type of numerology other thanthe at least two types of numerology as a second type of numerology,determining, by the UE, a subframe to receive control signals and dataof the first type of numerology and a subframe to receive controlsignals and data of the second type of numerology according to higherlayer signaling or a physical layer indication, and receiving asynchronization signal, broadcast information and system informationtransmitted according to the second type of numerology.

Preferably, for the way C, the determining, by a UE, a type ofnumerology of physical resources to receive control signals and datacomprises: determining, by the UE, at least two types of candidatenumerology of the physical resources to receive the control signals andthe data by receiving higher layer signaling, and determining, by theUE, a type of numerology or types of numerology to receive the controlsignals and/or the data from the at least two candidate types ofnumerology of the physical resources to receive the control signals andthe data according to an indication by the controlling signaling.

Preferably, the determining, by the UE, a type of numerology or types ofnumerology to receive the control signals and/or the data according toan indication by the controlling signaling is performed in at least oneof the following ways:

way 1, in which downlink control information (DCI) used to allocatephysical resources of at least two types of numerology is onlytransmitted on a physical resource of one type of numerology, and afterthe UE receives DCI that schedules data, the UE knows a physicalresource for the UE to receive data and a corresponding numerology byanalyzing the DCI; wherein the DCI used to allocate the physicalresources of the at least two types of numerology is located in a samesubframe with that in which the data scheduled by the DCI is located, oris located in a subframe before the data scheduled by the DCI;

way 2, in which DCI used to allocate a physical resource of each type ofnumerology and physical resources used to transmit data scheduled by theDCI have a same numerology, and after the UE receives DCI that schedulesdata, the UE determines that a type of numerology of a physical resourceon which the data is received and a type of numerology of a physicalresource on which the DCI is received are same;

way 3, in which the UE receives DCI according to numerology indicationinformation, and determines a type of numerology of receiving DCI thatallocates physical resources of numerology according to a time positionof the DCI;

way 4, in which the UE receives DCI, and determines a type of numerologyof receiving DCI that allocates physical resources of numerologyaccording to a time position of the DCI;

way 5, in which DCI used to allocate a physical resource of each type ofnumerology and physical resources used to transmit data scheduled by theDCI have a same numerology, and after the UE receives DCI that schedulesdata, the UE determines that a type of numerology of a physical resourceon which the data is received and a type of numerology of a physicalresource on which the DCI is received are same; and in a case where theUE is configured to need to receive DCI that allocates physicalresources of at least two types of numerology, the UE first receivesnumerology indication information, and then knows numerology of physicalresources on which DCI and data are received according to the numerologyindication information.

Preferably, the UE knowing numerology of physical resources on which DCIand data are received according to the numerology indication informationincludes at least one of the following situations:

situation 1, where the UE determines a type of numerology for the UE toreceive control signals and data in a subframe where the numerologyindication information is transmitted according to an indication by thenumerology indication information, or the UE determines a type ofnumerology for the UE to receive control signals and data in a currentsubframe according to the indication by the numerology indicationinformation, or the UE determines a type of numerology for the UE toreceive control signals and data from N subframes counted starting froma subframe n where the numerology indication information is transmittedaccording to the indication by the numerology indication information,where N is a positive integer; wherein the numerology indicationinformation is only transmitted on physical resources of one type ofnumerology, the UE knows a subframe position for the UE to receive thenumerology indication information by receiving higher layer signaling,and the UE knows a type of numerology for the UE to receive thetransmitted numerology indication information by receiving the higherlayer signaling;

situation 2, where the UE determines a type of numerology for the UE toreceive control signals and data in a subframe n+k after the subframe nwhere the numerology indication information is transmitted according tothe indication by the numerology indication information, or the UEdetermines a type of numerology for the UE to receive control signalsand data in N subframes counted starting from the subframe n+k after thesubframe n where the numerology indication information is transmittedaccording to the indication by the numerology indication information,where k and N are positive integers;

wherein the numerology indication information is only transmitted onphysical resources of one type of numerology, the UE knows a subframeposition for the UE to receive the numerology indication information byreceiving higher layer signaling, and the UE knows a type of numerologyfor the UE to receive the numerology indication information by receivingthe higher layer signaling; in a case where the UE receives controlsignals and data transmitted by different numerology within a subframeindicated by the numerology indication information, the UE firstcompletes receipt of control signals and data transmitted by a firsttype of numerology, and then receives the numerology indicationinformation;

situation 3, where the UE determines a type of numerology for the UE toreceive control signals and data in the subframe n+k after the subframen where the numerology indication information is transmitted accordingto the indication by the numerology indication information, or the UEdetermines a type of numerology for the UE to receive control signalsand data in N subframes counted starting from the subframe n+k after thesubframe n where the numerology indication information is transmittedaccording to the indication by the numerology indication information,where k and N are positive integers;

wherein the numerology indication information is only transmitted onphysical resources of one type of numerology, the UE knows a subframeposition for the UE to receive the numerology indication information byreceiving higher layer signaling, and the UE knows a type of numerologyfor the UE to receive the numerology indication information by receivingthe higher layer signaling; in a case where the UE needs to receivecontrol signals and data transmitted by a same numerology within asubframe where the numerology indication information is received, the UEreceives both control signals and data and the numerology indicationinformation; in a case where the UE does not need to receive controlsignals and data transmitted within the subframe where the numerologyindication information is received, the UE receives the numerologyindication information; and in a case where the UE needs to receivecontrol signals and data transmitted by different numerology within thesubframe where the UE receives the numerology indication information,the UE receives control signals and data and receives numerologyindication information contained in a control signals that schedulestransmission of the UE, or numerology indication information transmittedin resources of control signals that schedules the transmission of theUE and data.

Preferably, in a case where in a system bandwidth of one carrier, thereare physical resources of at least two types of numerology, the numberof types of numerology within the system bandwidth and a resource rangeof each type of numerology are configured by higher layer signaling orindicated by system information; or

in a case where in a system bandwidth of one carrier, there are physicalresources of at least two types of numerology, and the number of typesof numerology within the system bandwidth is configured by higher layersignaling or indicated by system information, wherein a time-frequencyresource range of each type of numerology dynamically changes, andchanges in at least one of the following ways: one way being implicitindication by DCI which schedules resources, and the other way beingindicating the time-frequency resource range of each type of numerologyby numerology resource range indication information.

The present disclosure further discloses an apparatus, including: adetermination module and a receiving module, in which:

the determination module determines a type of numerology of physicalresources to receive control signals and data from at least two types ofmulticarrier parameter numerology; and

the receiving module receives the control signals and the data ondetermined physical resources according to the determined type ofnumerology.

As is seen from the foregoing, according to the technical solution ofresource allocation of the present disclosure, first a UE determines atype of numerology of physical resources to receive control signals anddata from at least two types of multicarrier parameter numerology; andthen the UE receives the control signals and the data on determinedphysical resources according to the determined type of numerology, so asto make full use of physical resources that have differentcharacteristics (e.g., resources that have different OFDM subcarrierwidths).

Various embodiments of the present disclosure provide resourceallocation scheme that is more effective.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 illustrates a wireless communication system according to variousembodiments of the present disclosure;

FIG. 2 illustrates the BS in the wireless communication system accordingto various embodiments of the present disclosure;

FIG. 3 illustrates the terminal in the wireless communication systemaccording to various embodiments of the present disclosure;

FIG. 4 illustrates the communication interface in the wirelesscommunication system according to various embodiments of the presentdisclosure;

FIG. 5 is a schematic diagram of a frame structure in a long termevolution (LTE) time division duplex (TDD) system;

FIG. 6 is a schematic diagram showing a problem existing in thetraditional art;

FIG. 7 is a flowchart of a method for allocating resources according tothe present disclosure;

FIG. 8 is a schematic diagram showing that each user equipment (UE)receives control signals and data of different numerology in differenttime durations in Embodiment 1 of the present disclosure;

FIG. 9 is a schematic diagram showing that a type of numerology by whichthe UE receives control signals and data is the same as a type ofnumerology by which the UE receives PSS/SSS, broadcast information, andsystem information according to a Method 1 in Embodiment 2 of thepresent disclosure;

FIG. 10 is a schematic diagram showing downlink control information(DCI) for allocation of physical resources of multiple types ofnumerology and data scheduled by DCI are located in a same subframe orin a subframe before the data according to Way 1 of Method 3 inEmbodiment 2 of the present disclosure;

FIG. 11 is a schematic diagram showing that a type of numerology of DCIfor allocation of physical resources of each type of numerology and atype of numerology of the DCI for scheduling physical resources totransmit data are same according to Way 2 of Method 3 in Embodiment 2 ofthe present disclosure;

FIG. 12 is a schematic diagram showing that according to an indicationby information transmitted on physical resources of a first type ofnumerology scheduled for the UE, the UE determines to receive DCI thatschedules physical resources of a second type of numerology in a timeslot, or determines to continue to receive data from the physicalresources of the first type of numerology according to Way 3 of Method 3in Embodiment 2 of the present disclosure;

FIG. 13 is a schematic diagram showing that according to an indicationby information transmitted on physical resources of a first type ofnumerology not scheduled for the UE, the UE determines to receive DCIthat schedules physical resources of a second type of numerology in atime slot, or determines to continue to receive data from the physicalresources of the first type of numerology according to Way 3 of Method 3in Embodiment 2 of the present disclosure;

FIG. 14 is a schematic diagram of a first case according to Way 4 ofMethod 3 in Embodiment 2 of the present disclosure;

FIG. 15 is a schematic diagram of another case according to Way 4 ofMethod 3 in Embodiment 2 of the present disclosure;

FIG. 16 is a schematic diagram of a first method for transmittingnumerology indication information according to the present disclosure;

FIG. 17 is a schematic diagram of a second method for transmittingnumerology indication information according to the present disclosure;

FIG. 18 is a schematic diagram of a third method for transmittingnumerology indication information according to the present disclosure;

FIG. 19 is a schematic diagram of a first method for determining a rangeof each type of numerology according to Embodiment 3 of the presentdisclosure;

FIG. 20 is a schematic diagram of a second method for determining arange of each type of numerology according to Embodiment 3 of thepresent disclosure;

FIG. 21 is a schematic diagram of a third method for determining a rangeof each type of numerology according to Embodiment 3 of the presentdisclosure; and

FIG. 22 is a schematic diagram of a structure of a preferable apparatusaccording to the present disclosure.

DETAILED DESCRIPTION

To make the objects, technical schemes and advantages of the presentdisclosure clearer, the present disclosure will be described in detailhereinafter with reference to accompanying drawings and embodiments.

Hereinafter, in various embodiments of the present disclosure, hardwareapproaches will be described as an example. However, various embodimentsof the present disclosure include a technology that uses both hardwareand software and thus, the various embodiments of the present disclosuremay not exclude the perspective of software.

Hereinafter, the present disclosure describes technology for allocatingresource in a wireless communication system.

The terms referring to a signal, the terms referring to a channel, theterms referring to control information, the terms referring to a networkentity, and the terms referring to elements of a device used in thefollowing description are used only for convenience of the description.Accordingly, the present disclosure is not limited to the followingterms, and other terms having the same technical meaning may be used.

Further, although the present disclosure describes various embodimentsbased on the terms used in some communication standards (for example,3rd Generation Partnership Project (3GPP)), they are only examples forthe description. Various embodiments of the present disclosure may beeasily modified and applied to other communication systems.

FIG. 1 illustrates a wireless communication system according to variousembodiments of the present disclosure. In FIG. 1, a base station (BS)110, a terminal 120, and a terminal 130 are illustrated as the part ofnodes using a wireless channel in a wireless communication system. FIG.1 illustrates only one BS, but another BS, which is the same as orsimilar to the BS 110, may be further included.

The BS 110 is network infrastructure that provides wireless access tothe terminals 120 and 130. The BS 110 has coverage defined as apredetermined geographical region based on the distance at which asignal can be transmitted. The BS 110 may be referred to as “accesspoint (AP),” “eNodeB (eNB),” “5th generation (5G) node,” “wirelesspoint,” “transmission/reception Point (TRP)” as well as “base station.”

Each of the terminals 120 and 130 is a device used by a user, andperforms communication with the BS 110 through a wireless channel.Depending on the case, at least one of the terminals 120 and 130 mayoperate without user involvement. That is, at least one of the terminals120 and 130 is a device that performs machine-type communication (MTC)and may not be carried by the user. Each of the terminals 120 and 130may be referred to as “user equipment (UE),” “mobile station,”“subscriber station,” “remote terminal,” “wireless terminal,” or “userdevice” as well as “terminal.”

The BS 110, the terminal 120, and the terminal 130 may transmit andreceive wireless signals in millimeter wave (mmWave) bands (for example,28 GHz, 30 GHz, 38 GHz, and 60 GHz). At this time, in order to improve achannel gain, the BS 110, the terminal 120, and the terminal 130 mayperform beamforming. The beamforming may include transmissionbeamforming and reception beamforming. That is, the BS 110, the terminal120, and the terminal 130 may assign directivity to a transmissionsignal and a reception signal. To this end, the BS 110 and the terminals120 and 130 may select serving beams 112, 113, 121, and 131 through abeam search procedure or a beam management procedure. After that,communications may be performed using resources having a quasico-located relationship with resources carrying the serving beams 112,113, 121, and 131.

A first antenna port and a second antenna ports are considered to bequasi co-located if the large-scale properties of the channel over whicha symbol on the first antenna port is conveyed can be inferred from thechannel over which a symbol on the second antenna port is conveyed. Thelarge-scale properties may include one or more of delay spread, dopplerspread, doppler shift, average gain, average delay, and spatial Rxparameters.

FIG. 2 illustrates the BS in the wireless communication system accordingto various embodiments of the present disclosure. A structureexemplified at FIG. 2 may be understood as a structure of the BS 110.The term “-module”, “-unit” or “-er” used hereinafter may refer to theunit for processing at least one function or operation and may beimplemented in hardware, software, or a combination of hardware andsoftware.

Referring to FIG. 2, the BS may include a wireless communicationinterface 210, a backhaul communication interface 220, a storage unit230, and a controller 240.

The wireless communication interface 210 performs functions fortransmitting and receiving signals through a wireless channel. Forexample, the wireless communication interface 210 may perform a functionof conversion between a baseband signal and bitstreams according to aphysical layer standard of the system. For example, in datatransmission, the wireless communication interface 210 generates complexsymbols by encoding and modulating transmission bitstreams. Further, indata reception, the wireless communication interface 210 reconstructsreception bitstreams by demodulating and decoding the baseband signal.

In addition, the wireless communication interface 210 up-converts thebaseband signal into an Radio Frequency (RF) band signal, transmits theconverted signal through an antenna, and then down-converts the RF bandsignal received through the antenna into the baseband signal. To thisend, the wireless communication interface 210 may include a transmissionfilter, a reception filter, an amplifier, a mixer, an oscillator, adigital-to-analog convertor (DAC), an analog-to-digital convertor (ADC),and the like. Further, the wireless communication interface 210 mayinclude a plurality of transmission/reception paths. In addition, thewireless communication interface 210 may include at least one antennaarray consisting of a plurality of antenna elements.

On the hardware side, the wireless communication interface 210 mayinclude a digital unit and an analog unit, and the analog unit mayinclude a plurality of sub-units according to operation power, operationfrequency, and the like. The digital unit may be implemented as at leastone processor (e.g., a digital signal processor (DSP)).

The wireless communication interface 210 transmits and receives thesignal as described above. Accordingly, the wireless communicationinterface 210 may be referred to as a “transmitter” a “receiver,” or a“transceiver.” Further, in the following description, transmission andreception performed through the wireless channel may be used to have ameaning including the processing performed by the wireless communicationinterface 210 as described above.

The backhaul communication interface 220 provides an interface forperforming communication with other nodes within the network. That is,the backhaul communication interface 220 converts bitstreams transmittedto another node, for example, another access node, another BS, a highernode, or a core network, from the BS into a physical signal and convertsthe physical signal received from the other node into the bitstreams.

The storage unit 230 stores a basic program, an application, and datasuch as setting information for the operation of the BS 110. The storageunit 230 may include a volatile memory, a non-volatile memory, or acombination of volatile memory and non-volatile memory. Further, thestorage unit 230 provides stored data in response to a request from thecontroller 240.

The controller 240 controls the general operation of the BS. Forexample, the controller 240 transmits and receives a signal through thewireless communication interface 210 or the backhaul communicationinterface 220. Further, the controller 240 records data in the storageunit 230 and reads the recorded data. The controller 240 may performsfunctions of a protocol stack that is required from a communicationstandard. According to another implementation, the protocol stack may beincluded in the wireless communication interface 210. To this end, thecontroller 240 may include at least one processor.

According to exemplary embodiments of the present disclosure, thecontroller 240 may determining a type of numerology of physicalresources to transmit control signals and data from at least two typesof multicarrier parameter numerology, and control to transmit thecontrol signals and the data on physical resources according to thedetermined type of numerology. For example, the controller 240 maycontrol the base station to perform operations according to theexemplary embodiments of the present disclosure.

FIG. 3 illustrates the terminal in the wireless communication systemaccording to various embodiments of the present disclosure. A structureexemplified at FIG. 3 may be understood as a structure of the terminal120 or the terminal 130. The term “-module”, “-unit” or “-er” usedhereinafter may refer to the unit for processing at least one functionor operation, and may be implemented in hardware, software, or acombination of hardware and software.

Referring to FIG. 3, the terminal 120 includes a communication interface310, a storage unit 320, and a controller 330.

The communication interface 310 performs functions fortransmitting/receiving a signal through a wireless channel. For example,the communication interface 310 performs a function of conversionbetween a baseband signal and bitstreams according to the physical layerstandard of the system. For example, in data transmission, thecommunication interface 310 generates complex symbols by encoding andmodulating transmission bitstreams. Also, in data reception, thecommunication interface 310 reconstructs reception bitstreams bydemodulating and decoding the baseband signal. In addition, thecommunication interface 310 up-converts the baseband signal into an RFband signal, transmits the converted signal through an antenna, and thendown-converts the RF band signal received through the antenna into thebaseband signal. For example, the communication interface 310 mayinclude a transmission filter, a reception filter, an amplifier, amixer, an oscillator, a DAC, and an ADC.

Further, the communication interface 310 may include a plurality oftransmission/reception paths. In addition, the communication interface310 may include at least one antenna array consisting of a plurality ofantenna elements. In the hardware side, the wireless communicationinterface 210 may include a digital circuit and an analog circuit (forexample, a radio frequency integrated circuit (RFIC)). The digitalcircuit and the analog circuit may be implemented as one package. Thedigital circuit may be implemented as at least one processor (e.g., aDSP). The communication interface 310 may include a plurality of RFchains. The communication interface 310 may perform beamforming.

The communication interface 310 transmits and receives the signal asdescribed above. Accordingly, the communication interface 310 may bereferred to as a “transmitter,” a “receiver,” or a “transceiver.”Further, in the following description, transmission and receptionperformed through the wireless channel is used to have a meaningincluding the processing performed by the communication interface 310 asdescribed above.

The storage unit 320 stores a basic program, an application, and datasuch as setting information for the operation of the terminal 120. Thestorage unit 320 may include a volatile memory, a non-volatile memory,or a combination of volatile memory and non-volatile memory. Further,the storage unit 320 provides stored data in response to a request fromthe controller 330.

The controller 330 controls the general operation of the terminal 120.For example, the controller 330 transmits and receives a signal throughthe communication interface 310. Further, the controller 330 recordsdata in the storage unit 320 and reads the recorded data. The controller330 may performs functions of a protocol stack that is required from acommunication standard. According to another implementation, theprotocol stack may be included in the communication interface 310. Tothis end, the controller 330 may include at least one processor ormicroprocessor, or may play the part of the processor. Further, the partof the communication interface 310 or the controller 330 may be referredto as a communication processor (CP).

According to exemplary embodiments of the present disclosure, thecontroller 330 may determine a type of numerology of physical resourcesto receive control signals and data from at least two types ofmulticarrier parameter numerology and control to receive the controlsignals and the data on physical resources according to the determinedtype of numerology. For example, the controller 330 may control theterminal to perform operations according to the exemplary embodiments ofthe present disclosure.

FIG. 4 illustrates the communication interface in the wirelesscommunication system according to various embodiments of the presentdisclosure. FIG. 4 shows an example for the detailed configuration ofthe communication interface 210 of FIG. 2 or the communication interface310 of FIG. 3. More specifically, FIG. 4 shows elements for performingbeamforming as part of the communication interface 210 of FIG. 2 or thecommunication interface 310 of FIG. 3.

Referring to FIG. 4, the communication interface 210 or 310 includes anencoding and circuitry 402, a digital circuitry 404, a plurality oftransmission paths 406-1 to 406-N, and an analog circuitry 408.

The encoding and circuitry 402 performs channel encoding. For thechannel encoding, at least one of a low-density parity check (LDPC)code, a convolution code, and a polar code may be used. The encoding andcircuitry 402 generates modulation symbols by performing constellationmapping.

The digital circuitry 404 performs beamforming for a digital signal (forexample, modulation symbols). To this end, the digital circuitry 404multiples the modulation symbols by beamforming weighted values. Thebeamforming weighted values may be used for changing the size and phraseof the signal, and may be referred to as a “precoding matrix” or a“precoder.” The digital circuitry 404 outputs the digitally beamformedmodulation symbols to the plurality of transmission paths 406-1 to406-N. At this time, according to a multiple input multiple output(MIMO) transmission scheme, the modulation symbols may be multiplexed,or the same modulation symbols may be provided to the plurality oftransmission paths 406-1 to 406-N.

The plurality of transmission paths 406-1 to 406-N convert the digitallybeamformed digital signals into analog signals. To this end, each of theplurality of transmission paths 406-1 to 406-N may include an inversefast Fourier transform (IFFT) calculation unit, a cyclic prefix (CP)insertion unit, a DAC, and an up-conversion unit. The CP insertion unitis for an orthogonal frequency division multiplexing (OFDM) scheme, andmay be omitted when another physical layer scheme (for example, a filterbank multi-carrier: FBMC) is applied. That is, the plurality oftransmission paths 406-1 to 406-N provide independent signal processingprocesses for a plurality of streams generated through the digitalbeamforming. However, depending on the implementation, some of theelements of the plurality of transmission paths 406-1 to 406-N may beused in common.

The analog circuitry 408 performs beamforming for analog signals. Tothis end, the digital circuitry 404 multiples the analog signals bybeamforming weighted values. The beamformed weighted values are used forchanging the size and phrase of the signal. More specifically, accordingto a connection structure between the plurality of transmission paths406-1 to 406-N and antennas, the analog circuitry 408 may be configuredin various ways. For example, each of the plurality of transmissionpaths 406-1 to 406-N may be connected to one antenna array. In anotherexample, the plurality of transmission paths 406-1 to 406-N may beconnected to one antenna array. In still another example, the pluralityof transmission paths 406-1 to 406-N may be adaptively connected to oneantenna array, or may be connected to two or more antenna arrays.

Long term evolution (LTE) techniques support two types of duplexing:frequency division duplexing (FDD) and time division duplexing (TDD).Transmissions in a TDD system include a transmission from a base station(eNB) to a user equipment (UE) (referred to as an uplink) and atransmission from the UE to the base station (referred to as adownlink). For a TDD system, an uplink and a downlink are transmitted ona same carrier at different times respectively; while for a FDD system,an uplink and a downlink are transmitted on different carriersrespectively. FIG. 5 is a schematic diagram of a frame structure of aLTE TDD system. In FIG. 5, each radio frame is 10 milliseconds (ms)long, and is equally divided into two half frames having a length of 5ms each. Each half frame includes 8 time slots having a length of 0.5 mseach and 3 special fields having an overall length of 1 ms. The 3special fields are respectively a downlink pilot time slot (DwPTS), aguard period (GP), and an uplink pilot time slot (UpPTS). Each subframeconsists of two consecutive time slots.

Based on the frame structure shown in FIG. 5, downlinks and uplinksshare 10 subframes in every 10 ms, and each subframe is configuredeither for an uplink or for a downlink. A subframe configured for anuplink is called an uplink subframe, and a subframe configured for adownlink is called a downlink subframe. The TDD system supports 7 TDDuplink and downlink configurations, as shown in Table 1:

TABLE 1 TDD uplink and downlink configurations Configu- Switch-pointSubframe Number ration Periodicity 0 1 2 3 4 5 6 7 8 9 0  5 ms D S U U UD S U U U 1  5 ms D S U U D D S U U D 2  5 ms D S U D D D S U D D 3 10ms D S U U U D D D D D 4 10 ms D S U U D D D D D D 5 10 ms D S U D D D DD D D 6 10 ms D S U U U D S U U D

“D” represents a downlink subframe, “U” represents an uplink subframe,and “S” represents a special subframe containing the 3 special fields.Each subframe includes 14 orthogonal frequency division mulplexing(OFDM) symbols, and the width of a subcarrier is 15 kHz, each physicalresource block (PRB) includes 12 subcarriers, and the frequency domainwidth of a PRB is 18 kHz.

Downlink data are transmitted through a physical downlink shared channel(PDSCH), the hybrid automatic retransmission request-acknowledgementinformation of a PDSCH may be transmitted through a physical uplinkshared channel (PUSCH) or a physical uplink control channel (PUCCH).Uplink data are transmitted through a physical uplink shared channel(PUSCH). PDSCH and PUSCH are scheduled by physical downlink controlchannel (PDCCH)/enhanced physical downlink control channel (EPDCCH).

Since carrier frequencies used by UEs to transmit data are different,the UEs moves at different speeds, cell sizes are different, and servicelatency and reliability requirements are different, subcarrier widthsused by the UEs to transmit data may be different, cyclic prefix (CP)lengths of OFDM symbols used by the UEs to transmit data may bedifferent, and subcarrier widths or CP lengths of OFDM symbols ofphysical resources may be different, which cases are all callednumerology being different. For example, in a carrier, there aresubcarrier resources of 15 KHz and 30 kHz, as shown in FIG. 2. Thispresent disclosure is focused on how to reasonably allocate resourcesthat have different subcarrier widths when the resources that have thedifferent subcarrier widths are present on a carrier, so as to make fulluse of the resources under the premise of meeting various requirements.

To achieve the objects of the present disclosure, the present disclosureprovides a method for allocating resources, as shown in FIG. 7, and themethod includes the following steps.

Referring FIG. 7, in step 701, a UE determines a type of multicarrierparameter numerology of physical resources to receive control signalsand data from at least two types of multicarrier parameter numerology.The numerology described herein refers to some characteristics of thephysical resources, such as a subcarrier width (e.g., a subcarrierspacing) and/or the CP length of OFDM symbols on which control signalsand data are received. In step 703, the UE receives the control signalsand the data on physical resources according to the determinedmulticarrier parameter numerology.

The technical scheme of the present disclosure will be described infurther detail with reference to several preferred embodiments.

Embodiment 1

The present embodiment describes a case where UEs have an ability or acapability to process one or more fast Fourier transforms (FFTs) at atime, and the UEs receive control signals and data in different waysdepending on the FFT processing abilities of the UEs.

One way is that some UEs have only the ability to process one FFT at atime, and some UEs have the ability to process multiple FFTs at a time.The UEs should report their abilities to process one or more FFTs at atime to a base station. If a UE has only the ability to process one FFTat a time, the base station transmits control signals and data of onlyone type of numerology at a time, and the UE receives control signalsand data of one type of numerology at a time. If a UE has the ability toprocess multiple FFTs at a time, the UE determines to receive controlsignals and data of one type of numerology at a time by receiving higherlayer signaling configuration, or the UE determines to receive controlsignals and data of multiple types of numerology at a time by receivinghigher layer signaling configuration. Receiving control signals and dataof multiple types of numerology at a time requires the UE have theability to process multiple FFTs at a time, and this will increase theprocessing ability of the UE, but will improve the peak rate of the UE,because the UE can receive data from more resources.

Another way is that all the UEs only have the ability to process one FFTat a time and have been working in a mode of receiving control signalsand data of the same type of numerology all the time.

Another way is that all the UEs have only the ability to process one FFTat a time, and each UE can receive control signals and data of differenttypes of numerology at different times. For example, a UE receivescontrol signals and data of an OFDM symbol that has a subcarrier widthof 15 kHz in a subframe n, and the UE receives control signals and dataof an OFDM symbol that has a subcarrier width of 30 kHz in a subframen+k, as shown in FIG. 8. The UE may determine a type of numerology toreceive control signals and data by receiving signaling (e.g., higherlayer signaling or physical layer signaling), or determine a type ofnumerology to receive control signals and data according to a presetmethod (e.g., a default numerology determined according to a protocol).

Yet another way is that some UEs have only the ability to process oneFFT at a time, and some UEs have the ability to process multiple FFTs ata time. The UEs need to receive data that have a normal latency (e.g.,enhanced mobile broadband (eMBB) service) and data that have a lowlatency (e.g., ultra reliability low latency communication (URLLC)). TheUEs need to report their ability to process one or more FFTs at a timeto the base station. If a UE has only the ability to process one FFT ata time, the base station transmits control signals and data of only onetype of numerology to the UE at a time, and the UE receives controlsignals and data of one type of numerology at a time. The eMBB data andURLLC data are transmitted through time slots of different numbers ofOFDM symbols to the UE, so as to meet the different latencyrequirements. For example, the eMBB data are transmitted through a timeslot of M1 (M1 is a positive integer, configured by higher layersignaling or determined according to the protocol, e.g., M1 is equal to14) OFDM symbols, and the URLLC data are transmitted through a time slotof M2 (M2 is a positive integer, configured by high layer signaling ordetermined according to the protocol, and M2 is less than M1, e.g., M2is equal to 2) OFDM symbols. If a UE has the ability to process multipleFFTs at a time, and the UE determines to operate in the mode ofreceiving control signals and data of one type of numerology at a timeby receiving higher layer signaling configuration, then the base stationtransmits control signals and data of only one type of numerology to theUE at a time, and the UE receives control signals and data of only onetype of numerology at a time. The eMBB data and URLLC data aretransmitted through time slots of different numbers of OFDM symbols tomeet different latency requirements. For example, the eMBB data istransmitted through a time slot of M1 (M 1 is a positive integer,configured by higher layer signaling or determined according to theprotocol, e.g., M1 is equal to 14) OFDM symbols, and the URLLC data istransmitted through a time slot of M2 (M2 is a positive integer,configured by higher layer signaling or determined according to theprotocol, and M2 is less than M1, e.g., M2 is equal to 2) OFDM symbols.Or if a UE has the ability to process multiple FFTs at a time, and theUE determines to operate in the mode of receiving control signals anddata of multiple types of numerology at a time by receiving higher layersignaling configuration, then the eMBB data and URLLC data aretransmitted through time slots of different lengths obtained accordingto different numerology to meet the different latency requirements.Receiving control signals and data of multiple types of numerology at atime requires the UE have the ability to process multiple FFTs at atime, and this will increase the processing ability of the UE, but willimprove the peak rate of the UE, because the UE can receive data frommore resources.

Embodiment 2

The present embodiment describes several methods for a UE to receivecontrol signals and data of different types of numerology, in a casewhere UEs have only the ability to process one FFT at a time, and eachUE can receive control signals and data of different types of numerologyat different times.

Method 1:

A UE determines a type of numerology of physical resources to receivecontrol signals and data by receiving higher layer signaling, and thenreceives control signals and data according to the determined type ofnumerology. That is, the UE receives the control signals and the dataaccording to a subcarrier width and a CP length of an OFDM symbol in atype of numerology configured according to the higher layer signaling.In this case, a type of numerology for the UE to receive control signalsand a type of numerology for the UE to receive data are same ordifferent.

Since the UE determines a type(s) of numerology to receive controlsignals and data through the upper layer signaling configuration, ifthere are resources of multiple types of numerology within a systembandwidth of a carrier (or called a serving cell), then there is a setof synchronization signal (e.g., Primary SynchronizationSignal/Secondary Synchronization Signal (PSS/SSS), broadcast information(Master Information Block (MIB)) and system information (SystemInformation Block (SIB)) within each type of numerology, and a type ofnumerology for the UE to receive control signals and data and a type ofnumerology for the UE to receive PSS/SSS, broadcast information andsystem information are same or different, as shown in FIG. 9.

Method 2:

A UE determines a type of numerology to receive control signals and databy receiving higher layer signaling, and then receives control signalsand data according to the determined type of numerology. That is, the UEreceives control signals and data according to a subcarrier width and aCP length of an OFDM symbol in a type of numerology configured byaccording to the higher layer signaling configuration. In this case, atype of numerology for the UE to receive control signals and a type ofnumerology for the UE to receive data are same or different.

Since the UE determines the type of numerology to receive controlsignals and data according to the higher layer signaling configuration,which case is called a first type of numerology, if there are resourcesof multiple types of numerology within the system bandwidth of a carrier(or a serving cell), the UE may need to receive control signals and dataof a type of numerology (referred to as second type of numerology)different from the first type of numerology, then the UE determinesthat, in which subframes (or which OFDM symbols), the UE needs toreceive control signals and data of the second type of numerologydifferent from the first type of numerology, and that, in whichsubframes, the UE needs to receive control signals and data of the firsttype of numerology, according to the protocol (or according to a higherlayer signaling configuration, or according to an indication from aphysical layer). For example, if the higher layer signaling configuresthat the UE receives control signals and data through the first type ofnumerology, and that the UE needs also to receive synchronization signal(e.g., PSS/SSS), broadcast information and system information and paginginformation transmitted through the second type of numerology, then theUE may receive PSS/SSS, broadcast information and system informationtransmitted through the second type of numerology at times when thePSS/SSS, the broadcast information and the system information arepossibly transmitted.

Method 3:

The UE determines multiple possible types of numerology to receivecontrol signals and data by receiving higher layer signaling, and thendetermines a type(s) of numerology to receive control signals and/ordata according to an indication by control signals, and then the UEreceives control signals and/or data at corresponding times (e.g.,within subframes or OFDM symbols) according to the subcarrier bandwidthand CP length of OFDM symbols of the type of numerology(s) indicated.The UE determines the type of numerology(s) to receive control signalsand/or data based on the indication by control signals in the followingways.

Way 1:

Downlink control information (DCI) for allocation of physical resourcesof multiple types of numerology is transmitted only on physicalresources of one type of numerology, and after the UE receives DCI forscheduling data, the UE knows a physical resource to receive the dataand a type of numerology used to receive the data by analyzing the DCI,and then the UE receives data according to the subcarrier width and theCP length of the OFDM symbol of the determined type of numerology. Atime-frequency position of a physical resource to transmit the DCI thatcan allocate physical resources of one or multiple types of numerologymay be configured by higher layer signaling or determined according tothe protocol. The DCI for allocation of physical resources of multipletypes of numerology may be located in the same subframe as that in whichdata scheduled by the DCI may be located, or in a subframe prior to thedata, as shown in FIG. 10. The type of numerology of physical resourcesfor the UE to receive data may be differentiated according to differentcharacteristics of the DCI. For example, a bit in the DCI may be used toindicate the number of numerology of physical resources for the UE toreceive data, and the bit may be referred to as numerology indicationinformation. For example, higher layer signaling configures that thenumber of types of numerology possible for the UE to receive controlsignals and data is 2, numerology indication information is 1 bit, and amapping relationship between the values of numerology indicationinformation and numerology is shown in FIG. 10. Or, the type ofnumerology for the UE to receive data may be differentiated by thedifferences of RNTIs used to scramble the CRC of DCI.

TABLE 2 mapping relationship between the vales of numerology indicationinformation and numerology Value of Numerology Indication InformationNumerology 0 First type of numerology 1 Second type of numerology

Way 2:

A type of numerology of DCI that is used for allocation of physicalresources of each type of numerology is the same with a type ofnumerology of a physical resource used for the DCI to scheduletransmission data are the same, and after the UE receives DCI thatschedules data, it receives data according to the subcarrier length andCP length of the OFDM symbol of a type of numerology the same as thetype of numerology of the received DCI. The time-frequency positions ofphysical resources for transmitting DCI of each type of numerology areconfigured by higher layer signaling or determined by the protocol. Thetime-frequency positions of DCI for allocating physical resources ofeach type of numerology are as shown in FIG. 11, where DCI forscheduling the physical resources of the first type of numerology istransmitted using the first type of numerology, and DCI for schedulingthe physical resources of the second type of numerology is transmittedusing the second type of numerology.

In this case, if the UE is configured to need to receive DCI thatallocates physical resources of multiple types of numerology, the UE mayblindly detect DCI that schedules multiple types of numerologytransmitted on physical resources of multiple types of numerology, andif the UE has detected DCI of a type of numerology in a subframe, and ifthe UE does not have the ability to process data transmitted overphysical resources of multiple types of numerology within a samesubframe, then the UE stops blindly detecting DCI of other types ofnumerology. In this way, the UE may blindly detect DCI that istransmitted on physical resources of multiple types of numerology, andthe number of times of detecting DCI transmitted on physical resourcesof each type of numerology may be configured by higher layer, but the UEonly receives data transmitted on one type of numerology resource.

Way 3:

If the UE needs to receive DCI that allocates physical resources ofmultiple types of numerology, the UE determines the types of numerologyfor receiving the DCI that allocates the physical resources of the typeof numerology. When the time slot lengths of physical resources ofdifferent types of numerology are different, pieces of DCI that allocatephysical resources of different numerology are transmitted at differenttimes in the time domain, and the UE determines numerology to transmitthe pieces of DCI for allocating physical resources at different times.A mapping relationship between times of blindly detecting DCI andnumerology for blindly detecting transmitted DCI may be configured byhigher layer signaling or preset by the protocol. For example, the UEneeds to receive DCI that allocates physical resources of N types ofnumerology, and the mapping relationship between times of blindlydetecting DCI that allocates the physical resources of the N types ofnumerology and the type of numerology for blindly detecting thetransmitted DCI has been determined. If at a time of blindly detectingDCI that allocates a physical resource of a type of numerology, the UEis not configured to need to receive data on the allocated physicalresource, the UE performs blind detection on a correspondingtime-frequency position according to the mapping relationship betweentimes of blindly detecting DCI that allocates physical resources of Ntypes of numerology and the type of numerology for blindly detecting thetransmitted DCI; if at a time of blindly detecting DCI that allocates aphysical resource of a type of numerology, the US has already beenallocated a physical resource for receiving data, the UE performs blinddetection on a corresponding time-frequency position according to themapping relationship between times of blindly detecting DCI thatallocates physical resources of N types of numerology and the type ofnumerology for blindly detecting the transmitted DCI indicated bynumerology indication information, or does not perform the blinddetection but continue to receive data. Numerology indicationinformation is received from a physical resource that is allocated forthe UE to receive data, or from other physical resources a type ofnumerology of which is the same with a type of numerology of thephysical resource that is allocated for the UE to receive data.Numerology indication information is in a time slot before the time ofblindly detecting the transmitted DCI, or in a time slot same with thetime of blindly detecting the transmitted DCI.

For example, the UE is configured to need to receive data transmitted onphysical resources of two types of numerology in which a data blockscheduled on a physical resource of one type of numerology occupies atime slot of 1 ms, and the physical resource of the one type ofnumerology is referred to as a physical resource of a first type ofnumerology, and a data block scheduled on a physical resource of theother type of numerology occupies a time slot of 0.5 ms, and thephysical resource of the other type of numerology is referred to as aphysical resource of a second type of numerology. In a time slot whichis an even multiple of 0.5 ms, the UE may receive DCI that schedules thephysical resources of the first type of numerology and DCI thatschedules the physical resources of the second type of numerology, andin a time slot which is an odd multiple of 0.5 ms, the UE only receivesDCI that schedules the physical resources of the second type ofnumerology. In a time slot which is an odd multiple of 0.5 ms, if the UEhas not be scheduled to receive data of a time slot of 1 ms on aphysical resource of the first type of numerology, the UE may receiveDCI that schedules the physical resources of the second type ofnumerology from physical resources of a preset type of numerology, forexample, receiving DCI that schedules physical resources of the secondtype of numerology from the physical resources of the preset type ofnumerology; in a time slot which is an odd multiple of 0.5 ms, if the UEhas been scheduled to receive data of a time slot of 1 ms on a physicalresource of the first type of numerology, the UE may determine toreceive DCI that schedules the physical resources of the second type ofnumerology in the time slot, or continue to receive data on the physicalresource of the first type of numerology, as shown in FIG. 12. Or the UEmay determine to receive DCI that schedules the physical resources ofthe second type of numerology in the time slot, or continue to receivedata on the physical resources of the first type of numerology accordingto an indication by information transmitted on the physical resource ofthe first type of numerology, as shown in FIG. 13.

Way 4:

If the UE needs to receive DCI that allocates physical resources ofmultiple types of numerology, the UE determines the types of numerologyto receive DCI that allocates physical resources of numerology accordingto time positions. When the time slot lengths of physical resources ofdifferent numerology are different, pieces of DCI that allocate physicalresources of different numerology are transmitted at different times inthe time domain, and types of numerology to transmit the pieces of DCIare determined according to the types of numerology of physicalresources allocated at different times. A mapping relationship betweentimes of blindly detecting DCI and numerology of blindly detecting DCItransmitted may be configured by higher layer signaling or presetaccording to the protocol. For example, the UE needs to receive DCI thatallocates physical resources of N types of numerology, and a mappingrelationship between times of blindly detecting pieces of DCI thatallocate physical resources of the N types of numerology and numerologyof blindly detecting the pieces of DCI transmitted has been determined.If at a time of blindly detecting DCI that allocates a physical resourceof the second type of numerology, the UE has not been configured toreceive data on the physical resource allocated, the UE performs blinddetection on a corresponding time-frequency position at the timeaccording to the mapping relationship between times of blindly detectingpieces of DCI that allocate physical resources of the N types ofnumerology and numerology of blindly detecting the pieces of DCItransmitted; if at a time of blindly detecting DCI that allocates aphysical resource of the second type of numerology, the UE has beenallocated physical resources of the first type of numerology to receivedata, the UE blindly detects DCI that schedules the physical resourcesof the second type of numerology on the physical resources of the firsttype of numerology allocated to receive data, and if the UE detects DCIthat schedules a physical resource of the second type of numerology,then the UE receives data on the physical resource of the second type ofnumerology, and if the UE does not detect DCI that schedules a physicalresource of the second type of numerology, then the UE continues toreceive data on the physical resources of the first type of numerology.The DCI that schedules the physical resources of the second type ofnumerology transmitted on the physical resources of the first type ofnumerology is in a time slot before a time slot of the physical resourceof transmitting the data of the second type of numerology, or the DCIthat schedules the physical resources of the second type of numerologytransmitted on the physical resources of the first type of numerology isin a time slot same with a time slot of the physical resource oftransmitting the data of the second type of numerology.

For example, the UE is configured to need to receive data transmitted onphysical resources of two types of numerology in which a data blockscheduled on a physical resource of one type of numerology occupies atime slot of 1 ms, and the physical resource of the one type ofnumerology is referred to as a physical resource of a first type ofnumerology, and a data block scheduled on a physical resource of theother type of numerology occupies a time slot of 0.5 ms, and thephysical resource of the other type of numerology is referred to as aphysical resource of a second type of numerology. In a time slot whichis an even multiple of 0.5 ms, the UE may receive DCI that schedules thephysical resources of the first type of numerology and DCI thatschedules the physical resources of the second type of numerology, andin a time slot which is an odd multiple of 0.5 ms, the UE only receivesDCI that schedules the physical resources of the second type ofnumerology. In a time slot which is an odd multiple of 0.5 ms, if the UEhas not be scheduled to receive data of a time slot of 1 ms on aphysical resource of the first type of numerology, the UE may receiveDCI that schedules the physical resources of the second type ofnumerology from physical resources of a preset type of numerology, forexample, receiving DCI that schedules physical resources of the secondtype of numerology from the physical resources of the preset type ofnumerology; in a time slot which is an odd multiple of 0.5 ms, if the UEhas been scheduled to receive data of a time slot of 1 ms on a physicalresource of the first type of numerology, the UE may blindly detect DCIthat schedules physical resources of receiving the second type ofnumerology on the physical resource of the first type of numerologyscheduled to the UE, and if the UE detects DCI that schedules thephysical resources of the second type of numerology, then the UEreceives data from the physical resources of the second type ofnumerology, and if the UE does not detect DCI that schedules thephysical resources of the second type of numerology, then the UEcontinues to receive data from the physical resources of the first typeof numerology, as shown in FIG. 14. Or the UE may blindly detect DCIthat schedules physical resources of receiving the second type ofnumerology on the physical resources of the first type of numerologythat have not been scheduled to the UE, and if the UE detects DCI thatschedules the physical resources of the second type of numerology, thenthe UE receives data from the physical resources of the second type ofnumerology, and if the UE has not detected DCI that schedules thephysical resources of the second type of numerology, then the UEcontinues to receive data on the physical resources of the first type ofnumerology, as shown in FIG. 15.

Way 5:

A type of numerology of DCI used to allocate physical resources of eachtype of numerology and a type of numerology of the DCI to scheduleresources of transmitting data are the same, and after the UE receivesDCI that schedules data, the UE receives data according to a subcarrierbandwidth and a CP length of an OFDM symbol of a type of numerology samewith that used to receive DCI. Time-frequency positions of transmittingDCI physical resources of each type of numerology are configured byhigher layer signaling or determined according to the protocol.Time-frequency positions of pieces of DCI used to allocate the physicalresources of each type of numerology are as shown in FIG. 11, in which apiece of DCI that schedules a physical resource of the first type ofnumerology is transmitted using the first type of numerology, and apiece of DCI that schedules a physical resource of the second type ofnumerology is transmitted using the second type of numerology.

If the UE is configured to need to receive DCI that allocates physicalresources of multiple types of numerology, the UE may first receivenumerology indication information, and then know numerology of receivingDCI and receiving data through numerology indication information. Forexample, higher layer signaling may configure that the number ofnumerology possibly used to the UE to receive control signals and datais 2, and numerology indication information is 1 bit, used to indicatenumerology for the UE to receive DCI and data. A mapping relationshipbetween values of numerology indication information that indicatesnumerology for the UE to receive DCI and data and numerology is shown inTable 2.

Methods for transmitting numerology indication information are describedin the following.

First method for transmitting numerology indication information:

Numerology indication information indicates numerology for the UE toreceive control signals and data in a subframe where numerologyindication information is transmitted, and numerology indicationinformation indicates numerology for the UE to receive control signalsand data in a current subframe. Or numerology indication informationindicates a type of numerology for the UE to receive control signals anddata in N (N is a positive integer, configured by higher layer or presetaccording to the protocol) subframes counted starting from a subframe nwhere numerology indication information is transmitted, as shown in FIG.16.

In this case, numerology indication information is only transmitted onphysical resources of one type of numerology, the UE knows a subframeposition where the UE receives the numerology indication information byreceiving higher layer signaling, and the UE knows a type of numerologyof receiving the transmitted numerology indication information byreceiving higher layer signaling. If the UE has not received numerologyindication information properly in a subframe to receive numerologyindication information, the UE may receive control signals and dataaccording to a preset numerology or the UE may stop receiving controlsignals and data before it receives next numerology indicationinformation.

The second method for transmitting numerology indication information:

Numerology indication information indicates a type of numerology for theUE to receive control signals and data in a subframe n+k (k is apositive integer, configured by higher layer signaling or presetaccording to the protocol, e.g., k is equal to 1) after a subframe nwhere numerology indication information is transmitted. Or numerologyindication information indicates a type of numerology for the UE toreceive control signals and data in N (where N is a positive integer,and is configured by higher layer or preset by the protocol) subframescounted starting from the subframe n+k after the subframe n (k is apositive integer, configured by higher layer signaling or preset by theprotocol) where numerology indication information is transmitted, asshown in FIG. 17.

In this case, numerology indication information is only transmitted onphysical resources of one type of numerology, the UE knows a subframeposition where the UE receives the numerology indication information byreceiving higher layer signaling, and the UE knows a type of numerologyof receiving the transmitted numerology indication information byreceiving the higher layer signaling. If the UE receives control signalsand data transmitted by different numerology in a subframe where thenumerology indication information is received, the UE may first completereceipt of control signals and data transmitted by a first type ofnumerology, and then receives the numerology indication information. Ifthe UE has not received numerology indication information properly on asubframe where numerology indication information is received, the UE mayreceive control signals and data according to a preset numerology or theUE may stop receiving control signals and data before it receives nextnumerology indication information.

Method 3 for Transmitting Numerology Indication Information:

Numerology indication information indicates a type of numerology for theUE to receive control signals and data in a subframe n+k (k is apositive integer, configured by higher layer signaling or presetaccording to the protocol, e.g., k is equal to 1) after a subframe nwhere numerology indication information is transmitted. Or numerologyindication information indicates a type of numerology for the UE toreceive control signals and data in N (where N is a positive integer,and is configured by higher layer or preset by the protocol) subframescounted starting from the subframe n+k after the subframe n (k is apositive integer, configured by higher layer signaling or preset by theprotocol) where numerology indication information is transmitted, asshown in FIG. 17.

In this case, numerology indication information is only transmitted onphysical resources of one type of numerology, the UE knows a subframeposition to receive numerology indication information by receivinghigher layer signaling, and the UE knows a type of numerology ofreceiving the transmitted numerology indication information by receivingthe higher layer signaling. If the UE needs to receive control signalsand data transmitted according to the same numerology at the same timewithin a subframe to receive numerology indication information, the UEreceives both control signals and data and the numerology indicationinformation; if the UE does not need to receive control signals and datatransmitted within the subframe to receive numerology indicationinformation, the UE receives numerology indication information; and ifthe UE needs to receive control signals and data transmitted accordingto different numerology within the subframe to receive numerologyindication information, the UE receives control signals and data, andreceives numerology indication information contained in control signalsthat schedules the transmission of the UE, or receives numerologyindication information transmitted in resources of control signals thatschedules the transmission of the UE and data. As shown in FIG. 18, aUE1 needs to receive control signals and data transmitted according todifferent numerology within a subframe to receive numerology indicationinformation, the UE1 may receive control signals and data, and receivenumerology indication information contained in control signals schedulesthe transmission of the UE1, or receive numerology indicationinformation transmitted in resources of control signals that schedulesthe transmission of the UE and data. In the subframe to receivenumerology indication information, a UE2 needs to receive controlsignals and data transmitted according to the same numerology, and theUE2 can receive control signals and data and numerology indicationinformation at the same time. For a UE3 which has not detected controlsignals or data in the subframe, the UE3 may receive only numerologyindication information.

If the UE has not received numerology indication information properly inthe subframe to receive numerology indication information, the UE mayreceive control signals and data according to a preset numerology or theUE may stop receiving control signals and data before it receives nextnumerology indication information.

Embodiment 3

The present embodiment describes several methods in a case where if acarrier (or referred to as a serving cell) includes physical resourcesof multiple types of numerology, how a range of resources occupied byeach type of numerology changes.

Method 1

If in the system bandwidth of a carrier (or referred as a serving cell),there are resources of multiple types of numerology, the number of thetypes of numerology within the system bandwidth and the range ofresources of each type of numerology are configured by higher layersignaling or indicated by system information, as shown in FIG. 19.

Method 2

If in the system bandwidth of a carrier (or referred to as a servingcell), there are resources of multiple types of numerology, the numberof the types of numerology within the system bandwidth is configured byhigher layer signaling or indicated by system information. The range oftime-frequency resources of each type of numerology dynamically changes,and changes in the following two ways.

One way is implicitly changing, i.e., being implicitly indicated by DCIthat schedules resources. For example, in a system bandwidth, there areresources of two types of numerology in which the resources of the firsttype of numerology are scheduled by the first type of DCI, andtime-frequency positions of the first type of DCI is configured byhigher layer signaling or preset, the resources of the second type ofnumerology are scheduled by the second type of DCI, and time-frequencypositions of the second type of DCI are configured by higher layersignaling or preset, and in this way, the UE knows a type of numerologyof resources scheduled by detecting different types of DCI, as shown inFIG. 20.

Another method is explicit indication, i.e., using numerology resourcerange indication information to explicitly indicate a range of each typeof numerology, and in the system width, there is numerology resourcerange indication information for each type of numerology resource, and atime-frequency position to transmit the numerology resource rangeindication information is configured by higher layer or preset, as shownin FIG. 21, or the numerology resource range indication informationindicating a range of resources of all types of numerology istransmitted within the range of resources of a type of numerology.

Corresponding to above method, the present disclosure further providesan apparatus a structure of which is shown in FIG. 22, comprising: adetermining module 2210 and a receiving module 2220. The determinationmodule 2210 determines a type of numerology of the physical resources toreceive control signals and data from at least two types of multicarrierparameter numerology. The receiving module 2220 receives control signalsand data on determined physical resource according to the determinedtype of numerology.

Methods according to embodiments stated in claims and/or specificationsof the present disclosure may be implemented in hardware, software, or acombination of hardware and software.

When the methods are implemented by software, a computer-readablestorage medium for storing one or more programs (software modules) maybe provided. The one or more programs stored in the computer-readablestorage medium may be configured for execution by one or more processorswithin the electronic device. The at least one program may includeinstructions that cause the electronic device to perform the methodsaccording to various embodiments of the present disclosure as defined bythe appended claims and/or disclosed herein.

The programs (software modules or software) may be stored innon-volatile memories including a random access memory and a flashmemory, a read only memory (ROM), an electrically erasable programmableread only memory (EEPROM), a magnetic disc storage device, a compactdisc-ROM (CD-ROM), digital versatile discs (DVDs), or other type opticalstorage devices, or a magnetic cassette. Alternatively, any combinationof some or all of the may form a memory in which the program is stored.Further, a plurality of such memories may be included in the electronicdevice.

In addition, the programs may be stored in an attachable storage devicewhich is accessible through communication networks such as the Internet,Intranet, local area network (LAN), wide area network (WAN), and storagearea network (SAN), or a combination thereof. Such a storage device mayaccess the electronic device via an external port. Further, a separatestorage device on the communication network may access a portableelectronic device.

In the above-described detailed embodiments of the present disclosure, acomponent included in the present disclosure is expressed in thesingular or the plural according to a presented detailed embodiment.However, the singular form or plural form is selected for convenience ofdescription suitable for the presented situation, and variousembodiments of the present disclosure are not limited to a singleelement or multiple elements thereof. Further, either multiple elementsexpressed in the description may be configured into a single element ora single element in the description may be configured into multipleelements.

While the present disclosure has been shown and described with referenceto certain embodiments thereof, it will be understood by those skilledin the art that various changes in form and details may be made thereinwithout departing from the scope of the present disclosure. Therefore,the scope of the present disclosure should not be defined as beinglimited to the embodiments, but should be defined by the appended claimsand equivalents thereof.

Although the present disclosure has been described with an exemplaryembodiment, various changes and modifications may be suggested to oneskilled in the art. It is intended that the present disclosure encompasssuch changes and modifications as fall within the scope of the appendedclaims.

1. The method of claim 12, further comprising: determining a type ofnumerology of physical resources to receive control signals and datafrom at least two types of multicarrier parameter numerology based onthe control information; and receiving the control signals and the dataon the physical resources according to the determined type ofnumerology.
 2. The method of claim 1, further comprising: reporting, toa base station, a capability to process one or at least two fast Fouriertransforms (FFTs) at a time; and determining an operation mode of theUE, wherein the operation mode is determined by one of: in a first ecasewhere the UE has only the ability to process one FFT at a time,determining that the operation mode of the UE is receiving controlsignals and data of only one type of numerology at a time; and in a casewhere the UE has the ability to process at least two FFTs at a time,then determining that the operation mode of the UE is receiving controlsignals and data of only one type of numerology at a time, ordetermining that the operation mode of the UE is receiving controlsignals and data of at least two types of numerology at a time; in asecond case where all UEs have only the ability to process one FFT at atime, determining that the operation mode of the UE is receiving controlsignals and data of only one type of numerology; in a third case whereall the UEs have only the ability to process one FFT at a time,determining that the operation mode of the UE is receiving controlsignals and data of different types of numerology at different times;and in a fourth case where the UE has only the ability to process oneFFT at a time, then determining that the operation mode of the UE isreceiving control signals and data of only one type of numerology at atime, and transmitting data of the UE that have different latencyrequirements through time slots of different orthogonal frequencydivision multiplexing (OFDM) symbols to meet the different latencyrequirements; and in a case where the UE has the ability to process atleast two FFTs at a time, then determining that the operation mode ofthe UE is receiving control signals and data of only one type ofnumerology at a time, and transmitting the data of the UE that have thedifferent latency requirements through the time slots of the differentOFDM symbols to meet the different latency requirements, or determiningthat the operation mode of the UE is receiving control signals and dataof at least two types of numerology at a time, and transmitting the dataof the UE that have the different latency requirements through timeslots of different lengths obtained according to different types ofnumerology.
 3. The method of claim 2, wherein the determining the typeof numerology of the physical resources to receive the control signalsand the data comprises: in the third case, determining the type ofnumerology of the physical resources to receive the control signals andthe data by receiving higher layer signaling.
 4. The method of claim 3,wherein, in a case where the UE determines that there are at least twotypes of numerology of physical resources to receive the control signalsand the data within a system bandwidth of one carrier by receiving thehigher layer signaling, and there is a set of synchronization signal,broadcast information and system information in each type of numerology,the receiving the control signals and the data on determined physicalresources according to the determined type of numerology comprises:receiving the control signals, the data, a synchronization signal,broadcast information and system information by using the samenumerology.
 5. The method of claim 2, wherein the determining the typeof numerology of the physical resources to receive the control signalsand the data comprises: in the third case, determining the type ofnumerology of the physical resources to receive the control signals andthe data by receiving higher layer signaling.
 6. The method of claim 5,wherein, in a case where the UE determines that there are at least twotypes of numerology of physical resources to receive the control signalsand the data within a system bandwidth of one carrier by receiving thehigher layer signaling, the receiving the control signals and the dataon determined physical resources according to the determined type ofnumerology comprises: defining the at least two types of numerologydetermined by receiving the higher layer signaling as a first type ofnumerology, defining a type of numerology other than the at least twotypes of numerology as a second type of numerology, determining asubframe to receive control signals and data of the first type ofnumerology and a subframe to receive control signals and data of thesecond type of numerology according to higher layer signaling or aphysical layer indication, and receiving a synchronization signal,broadcast information and system information transmitted according tothe second type of numerology.
 7. The method of claim 2, wherein thedetermining the type of numerology of the physical resources to receivethe control signals and the data comprises: in the third case,determining at least two types of candidate numerology of the physicalresources to receive the control signals and the data by receivinghigher layer signaling; and determining a type of numerology or types ofnumerology to receive the control signals and/or the data from the atleast two types of candidate numerology of the physical resources toreceive the control signals and the data according to an indication bythe controlling signaling.
 8. The method of claim 7, wherein thedetermining the type of numerology or the types of numerology to receivethe control signals or the data according to the indication by thecontrolling signaling is performed in at least one of the followingways: a first way, in which downlink control information (DCI) used toallocate physical resources of at least two types of numerology is onlytransmitted on a physical resource of one type of numerology, and afterthe UE receives DCI that schedules data, the UE knows a physicalresource for the UE to receive data and a corresponding numerology byanalyzing the DCI; wherein the DCI used to allocate the physicalresources of the at least two types of numerology is located in a samesubframe with that in which the data scheduled by the DCI is located, oris located in a subframe before the data scheduled by the DCI; a secondway, in which DCI used to allocate a physical resource of each type ofnumerology and physical resources used to transmit data scheduled by theDCI have a same numerology, and after the UE receives DCI that schedulesdata, the UE determines that a type of numerology of a physical resourceon which the data is received and a type of numerology of a physicalresource on which the DCI is received are same; a third way, in whichthe UE receives DCI according to numerology indication information, anddetermines a type of numerology of receiving DCI that allocates physicalresources of numerology according to a time position of the DCI; afourth way, in which the UE receives DCI, and determines a type ofnumerology of receiving DCI that allocates physical resources ofnumerology according to a time position of the DCI; a fifth way, inwhich DCI used to allocate a physical resource of each type ofnumerology and physical resources used to transmit data scheduled by theDCI have a same numerology, and after the UE receives DCI that schedulesdata, the UE determines that a type of numerology of a physical resourceon which the data is received and a type of numerology of a physicalresource on which the DCI is received are same; and in a case where theUE is configured to need to receive DCI that allocates physicalresources of at least two types of numerology, the UE first receivesnumerology indication information, and then knows numerology of physicalresources on which DCI and data are received according to the numerologyindication information.
 9. The method of claim 8, wherein the UE knowingnumerology of physical resources on which DCI and data are receivedaccording to the numerology indication information comprises at leastone of the following situations: a first situation, where the UEdetermines a type of numerology for the UE to receive control signalsand data in a subframe where the numerology indication information istransmitted according to an indication by the numerology indicationinformation, or the UE determines a type of numerology for the UE toreceive control signals and data in a current subframe according to theindication by the numerology indication information, or the UEdetermines a type of numerology for the UE to receive control signalsand data from N subframes counted starting from a subframe n where thenumerology indication information is transmitted according to theindication by the numerology indication information, where N is apositive integer; wherein the numerology indication information is onlytransmitted on physical resources of one type of numerology, the UEknows a subframe position for the UE to receive the numerologyindication information by receiving higher layer signaling, and the UEknows a type of numerology for the UE to receive the transmittednumerology indication information by receiving the higher layersignaling; a second situation, where the UE determines a type ofnumerology for the UE to receive control signals and data in a subframen+k after the subframe n where the numerology indication information istransmitted according to the indication by the numerology indicationinformation, or the UE determines a type of numerology for the UE toreceive control signals and data in N subframes counted starting fromthe subframe n+k after the subframe n where the numerology indicationinformation is transmitted according to the indication by the numerologyindication information, where k and N are positive integers; wherein thenumerology indication information is only transmitted on physicalresources of one type of numerology, the UE knows a subframe positionfor the UE to receive the numerology indication information by receivinghigher layer signaling, and the UE knows a type of numerology for the UEto receive the numerology indication information by receiving the higherlayer signaling; in a case where the UE receives control signals anddata transmitted by different numerology within a subframe indicated bythe numerology indication information, the UE first completes receipt ofcontrol signals and data transmitted by a first type of numerology, andthen receives the numerology indication information; a third situation,where the UE determines a type of numerology for the UE to receivecontrol signals and data in the subframe n+k after the subframe n wherethe numerology indication information is transmitted according to theindication by the numerology indication information, or the UEdetermines a type of numerology for the UE to receive control signalsand data in N subframes counted starting from the subframe n+k after thesubframe n where the numerology indication information is transmittedaccording to the indication by the numerology indication information,where k and N are positive integers; wherein the numerology indicationinformation is only transmitted on physical resources of one type ofnumerology, the UE knows a subframe position for the UE to receive thenumerology indication information by receiving higher layer signaling,and the UE knows a type of numerology for the UE to receive thenumerology indication information by receiving the higher layersignaling; in a case where the UE needs to receive control signals anddata transmitted by a same numerology within a subframe where thenumerology indication information is received, the UE receives bothcontrol signals and data and the numerology indication information; in acase where the UE does not need to receive control signals and datatransmitted within the subframe where the numerology indicationinformation is received, the UE receives the numerology indicationinformation; and in a case where the UE needs to receive control signalsand data transmitted by different numerology within the subframe wherethe UE receives the numerology indication information, the UE receivescontrol signals and data and receives numerology indication informationcontained in a control signals that schedules transmission of the UE, ornumerology indication information transmitted in resources of controlsignals that schedules the transmission of the UE and data.
 10. Themethod of claim 1, wherein, in a case where in a system bandwidth of onecarrier, there are physical resources of at least two types ofnumerology, a number of types of numerology within the system bandwidthand a resource range of each type of numerology are configured by higherlayer signaling or indicated by system information; or in a case wherein a system bandwidth of one carrier, there are physical resources of atleast two types of numerology, and the number of types of numerologywithin the system bandwidth is configured by higher layer signaling orindicated by system information, wherein a time-frequency resource rangeof each type of numerology dynamically changes, and changes in at leastone of the following ways: one way being implicit indication by DCIwhich schedules resources, and the other way being indicating thetime-frequency resource range of each type of numerology by numerologyresource range indication information.
 11. (canceled)
 12. A method foroperating a user equipment (UE) in a wireless communication system, themethod comprising: receiving a message including information regardingnumerologies of bands; and receiving control information indicating aband, among the bands, to receive data, wherein the numerology comprisesa subcarrier spacing and a length of a cyclic prefix.
 13. The method ofclaim 12, wherein the control information comprises an indicator indownlink control information (DCI).
 14. The method of claim 13, furthercomprising: receiving the data through the band according to thenumerology.
 15. A user equipment (UE) in a wireless communicationsystem, the UE comprising: a transceiver configured to transmit andreceive signals; and at least one processor coupled to the transceiverand configured to: receive a message including information regardingnumerologies of bands; and receive control information indicating aband, among the bands, to receive data, wherein the numerology comprisesa subcarrier spacing and a length of a cyclic prefix.
 16. The UE ofclaim 15, wherein the control information comprises an indicator indownlink control information (DCI).
 17. The UE of claim 15, wherein theat least one processor is further configured to: receive the datathrough the band according to the numerology.
 18. A base station in awireless communication system, the base station comprising: atransceiver configured to transmit and receive signals; and at least oneprocessor coupled to the transceiver and configured to: transmit, to auser equipment (UE), a message including information regardingnumerologies of bands; and transmit, to the UE, control informationindicating a band, among the bands, to receive, by the UE, data, whereinthe numerology comprises a subcarrier spacing and a length of a cyclicprefix.
 19. The base station of claim 18, wherein the controlinformation comprises an indicator in downlink control information(DCI).
 20. The base station of claim 18, wherein the at least oneprocessor is further configured to: transmit, to the UE, the datathrough the band according to the numerology.